SUPPLEMENT TO PROXY STATEMENT
FOR THE 2024 ANNUAL MEETING OF STOCKHOLDERS ON JUNE 13, 2024
AVIDITY BIOSCIENCES, INC.
10578 Science Center Drive, Suite 125, San Diego, California 92121
This proxy statement supplement, dated May 15, 2024 (the “Supplement”), supplements the proxy statement dated April 26, 2024 (the “Proxy Statement”) relating to the proxy being solicited by the board of directors (the “Board”) of Avidity Biosciences, Inc., a Delaware corporation (the “Company”), for the Annual Meeting of Stockholders to be held on June 13, 2024, at 9:00 a.m., Pacific Time, and any continuation, postponement or adjournment of that meeting (the “Annual Meeting”). The Annual Meeting will be a completely virtual meeting, which will be conducted via live webcast.
The primary purpose of this Supplement is to provide subsequent information relating to recent changes to our Board and the Human Capital Management Committee of the Board. Except as described in this Supplement, the information provided in the Proxy Statement continues to apply and should be considered in voting your shares. To the extent that information in this Supplement differs from or updates information contained in the Proxy Statement, the information in this Supplement is more current.
Information Regarding Directors – Continuing Members of the Board:
The Proxy Statement is hereby amended to reflect that the Board has appointed Simona Skerjanec, M.Pharm, MBA to serve on the Board as a Class II director for a term ending at the 2025 annual meeting of stockholders. You are not being asked to vote in favor of the election of Ms. Skerjanec to the Board at this year’s Annual Meeting. Biographical information concerning Ms. Skerjanec is set forth below. Ms. Skerjanec was appointed to fill the vacancy that was created when Eric Mosbrooker resigned from the Board in December 2023 and subsequently became the Company’s Chief Strategy Officer.
The nominees for election as Class I directors pursuant to Proposal 1 remain unchanged as follows: Carsten Boess, Sarah Boyce and Troy Wilson, Ph.D., J.D.
Class II Directors (Terms to Expire at the 2025 Annual Meeting)
Simona Skerjanec, 59, served as Senior Vice President and Global Neuroscience Head at Roche in Switzerland and led the business and global strategy for Roche’s portfolio of neurological and rare diseases, from March 2015 to December 2023. During her tenure at Roche, Ms. Skerjanec also served as a General Manager of Roche in Portugal. Prior to joining Roche, Ms. Skerjanec was Senior Vice President and Cardiovascular franchise head at The Medicines Company where she held various roles of increasing responsibilities in development and commercialization from July 2003 to February 2015. She also held positions at Eli Lilly, Pfizer and Johnson &
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